ILLUSTRATIONS. 



Page. 



Fid. ] . Grapo root-worm (Fidia viticida) 8 



2. Grape l)erry moth {Polychrosis viteana) 14 



3. Grape leaf, showing feeding marks of grape eurculio beetles, and Ijuneh 



of grapes infested with larvee 1(> 



4. Work of grape eurculio (Cra-ponius hv^cqualis) in berry of grape 17 



5. Grape eurculio ( Craponius iniequaHs) 18 



6. Grape leaf-hopper ( Typhlocyba comes) 20 



7. Grape leaf-ff)ldcr {Desraia funeralis) 22 



8. Grapevine flea-beetle {Haltica chalybea) 23 



9. Rose-chafer ( Macrodactylus sitbspinosits) - 25 



10. The black-rot fungus {G^iignardia bidirellii) 29 



11. A bunch of grapes destroyed by black-rot oO 



12. A grape leaf attacked by the downy mildew (I'lasmopam riticola) 31 



13. The fungus causing downy mildew 32 



14. A bunch of young grapes partially destroyed by ''gray-rot " 32 



15. The fungus causing powdery mildew ( Uncinnla nccator) 33 



IG. Grape shoot, showing spots produced by anthracnose (Sphacdonta anipi- 



linuni) , 34 



17. Portion of a bunch of grapes, showing the effect of anthracncsc 34 



18. Section of an anthracnose spot 34 



19. Grapes attacked by the ripe-rot (Glomcrdla riifomaculans) 35 



20. The fungus producing ripe-rot (GlonxrrJIn rufoniandans) .35 



21. Elevated platform for making Bordeaux mixture 39 



22. Cross section of strainer for Bordeaux mixture 40 



23. A knapsack sprayer 41 



24. A barrel-and-cart spraying outfit 42 



25. A geared horse-power vineyard sprayer 42 



26. A carbonic-acid-gas sprayer 43 



27. A compressed-air sprayer in operation 43 



28. A gasoline engine and pump made especially for spraying 44 



29. Wagon and tank adapted to vineyard spraying 44 



30. Adjustable rods and nozzles for vineyard spraying 45 



31. A large hand spray pump with double vertical cylinders 46 



32. A large hand spray pump with double horizontal cylinders 46 



33. A vermorel spray nozzle 47 



34. A grape leaf properly sprayed 47 



35. A grape leaf improperly sprayed 48 



2S4 



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